There are 10 words that start with 'secta'.
| sectary | sectarian |
| sectaries | sectarians |
| sectarianism | sectarianize |
| sectarianisms | sectarianized |
| sectarianizes | sectarianizing |
Note: These 10 words that start with 'secta' are found from the USA & Canada version of the tournament Scrabble word list.